Added Makefile and Dockerfile

examples/influxdb/Makefile

@@ -0,0 +1,42 @@
+VERSION=`git rev-parse HEAD`
+BUILD=`date +%FT%T%z`
+LDFLAGS=-ldflags "-X main.Version=${VERSION} -X main.Build=${BUILD}"
+DOCKER_IMAGE=meteocat-testing
+DOCKER_IMAGE_TAG=meteocat-testing
+PLATFORM=local
+
+.PHONY: help
+help: ## - Show help message
+	@printf "\033[32m\xE2\x9c\x93 usage: make [target]\n\n\033[0m"
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: docker-pull
+docker-pull:	## - docker pull latest images
+	@printf "\033[32m\xE2\x9c\x93 docker pull latest images\n\033[0m"
+	@docker pull golang:alpine
+
+.PHONY: docker-pull-distroless
+docker-pull-distroless:	## - docker pull latest images
+	@printf "\033[32m\xE2\x9c\x93 docker pull latest images\n\033[0m"
+	@docker pull golang:buster
+	@docker pull gcr.io/distroless/base
+	@docker pull gcr.io/distroless/static
+
+.PHONY: build-distroless
+build-distroless:docker-pull-distroless	## - Build the smallest and secured golang docker image based on distroless
+	@printf "\033[32m\xE2\x9c\x93 Build the smallest and secured golang docker image based on distroless\n\033[0m"
+	$(eval BUILDER_IMAGE=$(shell docker inspect --format='{{index .RepoDigests 0}}' golang:buster))
+	$(eval DISTROLESS_IMAGE=$(shell docker inspect --format='{{index .RepoDigests 0}}' gcr.io/distroless/base))
+	@export DOCKER_CONTENT_TRUST=1
+	@docker build -f Dockerfile --build-arg BUILDER_IMAGE=$(BUILDER_IMAGE) --build-arg DISTROLESS_IMAGE=$(DISTROLESS_IMAGE) -t $(DOCKER_IMAGE_TAG)-distroless .
+
+.PHONY: ls
+ls: ## - List '$(DOCKER_IMAGE_TAG)' docker images
+	@printf "\033[32m\xE2\x9c\x93 Look at the size dude !\n\033[0m"
+	@docker image ls $(DOCKER_IMAGE_TAG)
+
+.PHONY: run
+run:	## - Run the smallest and secured golang docker image based on scratch
+	@printf "\033[32m\xE2\x9c\x93 Run the smallest and secured golang docker image based on scratch\n\033[0m"
+	@docker run $(DOCKER_IMAGE_TAG):latest
+